Fixes #3928 Adding Bitcoin to list of currencies
Refs #2135
Fixing couple small bugs
Merge branch 'master' into archive_query_refactor
Fixes #3935 Thanks for the patch!
I'm using Meld on Ubuntu to compare processed VS expected files. slightly updating README to clarifying workflow.
Adding user agent to the newVisitorInformation tracker hook
refs #3612
Switch to github version of xhprof which works with PHP 5.4.
Modify XHProf building instructions & add more xhprof related files to .gitingore.
Got VisualPHPUnit to work with PHP 5.4.
Merge branch 'master' into archive_query_refactor

Conflicts:
	tests/lib/visualphpunit/app/lib/VPU.php
Fixed bug in Archive::build.
Optimization for archiving.
Fix small bug in last commit.